I made this Shounen Jump list:
Barefoot Gen
Beet the Vandel Buster
Black Cat (Fin)
Bleach
Bobobo-bo Bo-bobo
Bremen
Busou Renkin (Fin)
Captain Tsubasa
Cat's Eye
City Hunter
Cowa! (Fin)
D.Grayman
Dr. Slump (Fin)
Death Note
DNA²
Dragon Ball (Fin)
Eyeshield 21
Gintama
Gun Blaze West
High School Kimen-gumi
Hikaru no Go (Fin)
Hokuto no Ken (Fist of the North Star) (Fin)
Hunter x Hunter
I"s
Ichigo 100% (Fin)
Jigoku Sensei Nube (Hell Teacher Nube)
JoJo's Bizarre Adventure
Kajika (Fin)
Katekyou Hitman REBORN!
Kinnikuman
Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo (Kochikame)
Legendz
Mazinger Z
Mind Assassin
Mr. Fullswing
Naruto
Neko Majin Z
One Piece
Pretty Face (Fin)
Prince of Tennis
Pyuutofuku Jager
Rokuburu (Fin)
Rokudenashi Blues
Rookies (Fin)
Rurouni Kenshin (Fin)
Saint Seiya (Knights of the Zodiac)
Sand Land (Fin)
Sannen Kimen-gumi (Highschool! Kimen-gumi)
Shaman King (Fin)
Slam Dunk (Fin)
Vidro Girl Ai
Whistle!
Yu-Gi-Oh! (Fin)
Yu Yu Hakusho (Fin)
Zombie Powder (Fin)
I want to add the missing mangas.. what are they? and also which mangas finished?
Edit (3)